Jacquard type loom



Aug. 4, 1931. E. HALL 1,817,88

JACQUARD TYPE Loom Filed Jan. 6, 1950 5 Sheets-Shea*l l ATTORNEY Aug.. 4, 1931-. E, HALL 1,817,818

JAcQuARp TYPE 'LoM iled'Jan. e, 1930 s sheets-sheet 2 WITNESS INVENTOR ,Erwea/zfall BY M d@ ATTORNEY Aug. 4, 1931.

E. HALL JACQUARD TYPE LOOM,

Filed Jan. 6. 1930` 5 Sheets-Sheet 3 INVENTOR E922 wz f2.. zz

ATTORNEY Aug. 4, 1931. E. HALL 1,817,818

JACQUAHD TYPE LOOM Filed Jan. 6. 1930 5 Sheets-Sheet 4 wrrNEsS |NvENTo3 Ef/'WML all BY l V@ i ATTORNEY Aug. 4, 1931. E, HALL 1,817,818

JACQUARD TYPE LOOM Filed Jan. 6, 1950 5 Sheets-Sheet 5 I J e4 n "Z I/I 76 -A l v5.0 I/ e6 I I I "Y a I.' e7 74 I j 61 =L= inullmfj JIIIIN" in y W|TNESS- med/Y .i I

" ArroRNEY' Patented Aug. 4, 1931 n i Y WTLS PT'NT y renner HALL, or naturels, atenerse l i aeceneun miren Loon Application filed January 6, 1939. Serial No.` 418,924.

This invention relates to Jacquard type used to Weave a repeated plain body or interlooms and has particular reference to ]ac mediate portion of fabric. quard mechanism and controlling means l lt may be here stated that the invention i therefor. includes means for-effecting step by step ro- In Weaving terry towels and similar fabtation of the card cylinder in one direction 5 ries requiring jacquard echanism incl .-:lwith such a single set'of body` Weave cards ing, for example, rugs and carpets, Which passing thereover, to present successivevfaces fabrics have an intermediate and relatively ofthe card cylinder With successive cards of long plain body portion of similar Weave and said set thereon to the needle plate ofthe .igured end portions or borders, it has herejacquard hea for automatically thereafter 00 tofore been necessary to employ a card for reversing the-direction of turning movement each piel; of the long body portion as Well as of the cylinder to present the saine cards to cards for each pick of the end border patthe needle plate in reverse order; thereafter tei-ns, these body .cards numbering in the again to reverse and to continue to reverse thousands and involving` a high cost in mathejdirection of turning movement ofthe un' terial, pattern punching labor and equipment cylindenvas describethuntil the full length and in stitching, as Well as requiring accesof the bodyv pattern has been woven; and sories for handling the large number of cards thereafter and by automatic control to pass in Weaving. n terry towels of large size the successiveand oppositeend border pat- (but relatively small compared to rugs and tern' cards over the card cylinder with the carpets) and having plain intermediate body cylinder turning continuously in the Yone portions and figured end borders, as many as direction to present successive border pattern forty eight hundred cards have heretofore cards of the series of opposite end border been required. patterns to the needle board; and at the corn- Three picks are ordinarily required for the pletion of the Weaving of the successive 7 terry type Weave unit and these, multiplied border patterns again andlautomatically to upto a thousand and possibly more, vvill instart the cycle of reversal of the cylinder for dicate the number of cards heretofore rethe next succeeding body pattern, quired for the body pattern of large size Mechanism is provided for controlling1 the terry towels. lVith longrugs and carpets direction of turning movement ofthe usual SG having plain intermediate body portions and card cylinder and is operated in timed relaligured end borders, the number required is tion to the lay, and the direction of turning proportionately increased. movement, the duration of the reversing cycle By my invention, ll eliminate the thousand of the cylinder and its subsequent rotatory or thousands of cards required to repeat the movement for the succeeding series of end S5 intermediate body pattern Weave unit and border patern cardsis determii'iately conrestrict the number used to a single set rep-v trolled and selectively varied for ilferent resenting those necessary to form one compatterns and sizes of the Woven units through plete Weaving unit of the particular type acontrol Whichmay efectivelybe constituted used in the body rpattern Which in the usual' by a patternchain of the usual type with asso terry Weave requiring three picks Willibe sociated mechanism cooperating viththat three cards instead of a thousand or more controlling the direction of turning moveand provide means for automatically placing men t of the cardcylinder. n in operation the border pattern cards at the The invention, therefore, is adaptable, in end of the body pattern Weaving. lhein- Vprinciple to a Wide range of woven forms strumentalities for effecting this result are characterised by an intermediate body por-` adaptable to different lengths of body Weave tion' of similar Woven units and adjoining' and pattern or type and to different lengths end body portions of a pattern type requiring of border patterns so that theinvention is a'series of individual pattern cards. I [t will applicable to all'Jacquard type looms when be understood that in `jacquard practice, each .me

card controls one pick7 or filling insertion.

The invention consists in the construction, arrangements and combinations hereinafter described and claimed and will be more clearly apparent from the following detailed specification which is to be read in conjunction with the accompanying drawings forining part thereof, and in which:

Figure 1 is a perspective view of one end of the lower portion of a Jacquard loom of standard construction having the card control mechanism of the present invention applied thereto, only such part of the standard loom construction being shown as is necessary to illustrate the application of the controlling mechanism thereto.

Figure 2 is a similar perspective view of the jacquard head overlying' the loom as shown in Figure 1, showing the connection of the control of Fig. l with the card cylinder and showing the rotation reversing mechanism therefor operated through said control.

Figure 3 is a View in side elevation of the parts shown in Figure 1 with the chain drive for the control head omitted and the cylinder reversing cam control shown in elevation with the pattern chain control of the reversing cam shown in the position putting the border pattern cards in operation.

Figure l shows in elevation dual pawl arms for rotating the card cylinder positioned to turn the cylinder in a clockwise directiou.

Figure 5 is a similar View with the pawl arms reversed to turn the cylinder counterclockwise.

Figure 6 is a View in transverse section on an enlarged scale through the card control head, the section being taken approximately on the line 6 6 of Figure 3.

Figure 7 is a top plan view on an enlarged scale of the control head as shown in Figure 6.

In the accompanying drawings, l have shown the structure of my invention as applied to the cooperating elements of a Jacquard loom of standard construction, only such parts of the latter being shown in detail as are necessary to an understanding of the present invention and its operation and application.

ln Figure 1, the warp beam end of the lower portion of a standard Jacquard loom is shown, with cooperating elements of the present invention applied. The usual warp beams 1 and 2 with their tension roll 3 and associated let-olf mechanism are shown mounted in the lower loom frame l from opposite sides of which upstand bifurcated standards 5.

The upper ends of these standards, as shown in Figure 2, support horizontal beams 6 upon which the base of a standard jacn quard head frame I rests and is supported. The jacquard mechanism may be of any standard construction. In the form shown the usual lifting bars or grills 8 are carried at the top of the frame 7, which also supports the usual perforated card cylinder 9 of rectangular cross section and provided at one end with a reduced axial extension 10 of rectangular cross section, whose corner edges 11 function as ratchet teeth. T he usual lifting hooks l2 engage over the upper edges of the lifting bars or griffe 8 as shown in Figure 2 and have the usual cords or wires 13 1cpending from their lower ends to the harness. lhese lifting hooks are moved into and out of position for engagement by the grill' bars for lifting thereby through the usual horizontal bank of needles passing through the usual needle board and controlled by the perforations on the pattern cards lll of the usual endless chain of pattern cards trained over the perforate face of the rectangular cylinder 9 and drawn over the cylinder which receives step by step rotatory movement, to present successive cards for movement with the cylinder to engage the needle ooard and move the needles and lifting hooks in accordance with the pattern perforations of the cards.

'lhe grip bars 8 are carried between plates or frames 15 one of which shown in Fie'. 2) which are periodically reciprocated vertically through mechanism which also elfects reciproca-tion of cylinder 9 from and toward the needle board and the bank of needles. Reference to Fig. 1 will show that the usual cam shaft 16 actuating the loom lay is eX- tended outwardly from the frame l and carries a wheel 1'? at its outer end from which an eccentric crank pin 18 ontstands. The lower end of a rod 19 is carried in a sleeve 2G having an offset bearing 21 in which the crank pin 18 is journaled. The rod 19 eX- tends upwardly to the acquard frame 7, its upper end, as shown in Figure 2 being pivotally connected to the outer end of an arm 22 extending outwardly from a rock shaft 23. A pair of oppositely extended arms 24 at opposite ends of the rock shaft (only one of which is shown) are pivotally connected at their outer ends to the lower ends of vertical bars 25 whose upper ends are journaled on studs 26 outstanding from the griff frames 15. Rotation of wheel 17 7will therefore effect periodic vertical reciprocation of the grifl frame and its bars 8 in timed relation to the operaton of the loom lay.

Vertical reciprocation of the grilln frame utilized to effect lateral reciprocation of the card cylinder 9 from and toward the needle board and needles. The opposite ends of the cylinder 9 are journaled in the lower ends of vertical plates or frames 27. rlhe upper ends of the frame plates are spanned by the usual bar mounting spring arms which press the cards against the active face of the cylinder. The lower ends of the plates 27, as

; ment in unison by a linlr 38;

shown in Figure 2, carry offset laterally-extending rods 28 guided through eyes in lugs 29 outwardly offset from the side faces of the frame 7 Between its ends each rod 28 lixcani slot 3l therein. The griff frames 15 carry a vertically depending` bar 32 from the lower end of which a pin 33 outstands and intends in the slot 3l. F rom the illustrated conliguration of the camy slot 3l, it will be evident that upward movement of the griif frame will cause the rod 28 and cylinder 9 to be moved outwardly and away from the neelle board and needles and that downward movement of the griff frame will move the bar 28 and card cylinder 9 inwardly toward the board and needles.

The loom mechanism as heretofore described forms specifically no part of the present invention and merely shows a standard form of Jacquard loom to which the present invention is applied for purposes of illustration.

ln accordance with the invention, I have provided mechanisms for causing in alternation step by step axial rotary movement of the. cylinder 9 in reverse directions as it is moved outwardly away from the needle board and needles through the mechanism previously described. To this end, an arm 84 is pivoted at its inner end to the upper end of the jacquard head frame 7 and extends outwardly and overlies the ratchet l of the card cylinder 9, fit a point intermediate its ends, it is provided with a pawl tooth 85 adapted to be engaged by a corner of the cylinder ratchet l0 as the latter is moved outwardly from the needle board to nii'ect an axial turning movement of the cylinder through a quarter revolution, thereby presenting a succeeding face of the rectangular cylinder to the needle board upon its subsequent return movement toward said board.

Y is shown in Figure 4, the pawl arm 34 func- 'ions to effect rotation of the cylinder 9 in a clockwise direction. Below the cylinder'Q,

the inner end of a second arm 36 is pivotally mounted on the frame 7, the arm-outstand- A ing from the frame and underlyingthe cylinder and being similarly provided with av pawl tooth 87 confronting the cylinder. The outer ends of the pawl rms 34 and 36 are pivot-ally interconnected for swinging moveln Figure 4, the 34 is pawl tooti 35 of the upper pawl arm shown as positioned for the cooivnerative en- Ua rement of the pawl tooth S5 of the un 3ery i-i n l pawl arin with the cylinder to effect rotation thereof in a clockwise direction, the pawl tooth. 37 of the lower pawl arm being dropped below the plane of movement of the cylinder ratchet. llVhen the lower pawl arm 36 is moved upwardly, as 'shown in Tiligure 5. to

y lie in the plane of movement of the cylinder ratchet toothv 1l` ratchet l0, the upper pawl armf34 is coincie dentlymoved through the link connection 38- out of the plane of cylinder movement. lllith the lower pawl arm in the position'shown in Figure 5, it will be evident that outward movement of the cylinder 4will engage a corner edge of its ratchet l0 with the pawl tooth 37 and impart axial rotatory movement to the cylinder in a reverse or counter-clockwise direction. ln accordance with the present invention, means are provided for effecting in alternation and at uniform intervals reverse swinging movement of the pawl arms 34 and 36 to impart to the card cylinder a series of step by step rotatory movements in opposite directions and of equal number. rlhe number of such step by step movements is detern mined by the number of pattern vcards 14, eachV representing one pick or filling insertion,`

which are necessary to provide a single weave unit which is successively'repeated in the weaving operation as in the weaving of an intermediate body portion of fabric composed of a succession of similar weaving units as has-been heretofore explained.

rlhe described control and operation of the pair of pawl arms 34, 36, is automatically secured through the following*instrumentalitlies. Referring to lligurel, it will be' seen that l have provided on the extended end of the lay cam shaft 16, a toothed gear 39. Above the cam shaft 16, a second shaft 40' is journaled in suitable bearings in the frame 4 and mounts externally of. the frame a' toothed gear 4l. For Jacquard looms used in terry towel ymanufacture in which there are three cards and three picks to the terry weave unit of the intermediate towel body,

thetoothed gear 4l will bear a ratio of 6 toY Al relatively to the cam shaft 16 and its gear 39, so that the intermeshing gear 4l and its .shaft 40 will be rotated once to every six revolutions of the cam shaft 1.6 of the lay.

'Within the frame 4, the shaft 40 mounts acain 42 shown in Figure 3. The periphery of this cam is divided into two segments of equal arcuate extent, the periphery of one segment 43 being at a uniform and greater distance from the shaft 40 than the periph' ery of the second segment 44 with each seg- 0' a half revolution of shaft ment representin:j

l40 or three picks of the loom, during which three successiveV pattern cards 14 are presented to the needle board. Actuating connections from the ca-m 42 to the pawl arms 3.4, 36 are provided in the form of an arm 45 pivoted at one end to a standard 5 and provided intermediate its ends with a roll 46 overlying and engaging the peripheral edge of the cam 42 and acted upon by its segments 43 and 44 in succession. To the opposite end of the arm is attached a coil spring 47,

through which the roll is maintained in contact with the cam periphery. To this same end of the arm 45, the Ylower end of a vertiiio CII

ito the cylinder ratchet cooperating pcf cally extending actuating rod 48 is pivotally connected. rlhe rod 48 extends upwardly and is pivotally connected at its upper end y to the outer end of a rock arm 49 fixed to one nd of a rock shaft 50 which traverses the loom frame below the upper end of the bifurcated standards 5 and beams G and is journaled in brackets 5l fixed to the standards 5 at opposite sides of the loom. The rock shaft 50A at the side of th-e loom opposite to the rock arm 49 carries a second and oppositely disposed rock arm 52. The lower end of a bent pawl operating rod 53, best seen in id igure 2, extends thro-ugh an opening in the end of the second rock ar-in 52 and is fixed to the under side of the rock arm by a nut or other suitable abutment 54. Above the rock arm, a second abutment nut 55 is fixed on the rod and a coiled spring 5G interposed between 5 the upper nut 55 and the rock arm 52 provides a resilient yielding connection between the rod 53 and the rock arin 52. The upper end of the rod 53, as shown in Figures 2, 4 and 5 is pivotally attached to the lower pawl '.irni 36 adjacent its pivoted end. The throw of the segment 43 of cam 42 is figured to pro vide suflicient upwaid movement to the rod 48 and downward movement to the rod 53 to move the upper pawl arni downwardly 'tion shown in Figure 4. The lower periiiheral cam segment 44 is figured to permit the spring 47 to pull the arm 45 and rod 48 downwardly, with the roll 46 contacting the Lnent 44, asufi'icient distance to in turn lift the rod 53 and the lower pavl arni 3G to the position shown in Figure 5 wien the upper pawl arm moved through the link connection .38 upwardly and out of the path of nieve- -inent of the cylinder so that it is ineffective to cause rotation of the cylinder. lt will be seen, therefore, that the pawl arms 34 and 36 are alternately moved through the cani 4Li and are each held iii alternation in positions 'of cooperation with the card cylinder ratchet during a period of three picks of the loom and durinor three reci recati-ons of the v ,i card cylinder 9. Consequently7 with a set oi: three cards 14 representing a single intermediate body pattern terry weave unit, trained over three faces of the rectangular cylinder 9, the three cards will be successively presented to the needle board through one pawi,

r and upon reversal of the pawl, the sani-e three terry towel. Obviously, the number of cardsl and the number of step by step movements of the cylinder in reverse directions will be varied in accordance with the number of picks required for different single weave units, the ratio of the gears 4l and 39 being varied to provide for the shaft 40 one revolution during double the number of picks required for the particular weave unit.

'ilhe operation of the cam 4:2 to provide through its actuating' connections to the pawls 34, 36, repeated reversals or cycles of step by step rotatory movement of the card cylinder is controlled together with the positions of the pawl arms by means of a pattern mechanism coordinated both in timing and in operation to the chain of pattern cards "i4, This mechanism will be effective tocondition 'the arm 45 for normal operation by the cam 42, and consequently to revers-e the direction of rotation of the card cylinder in alternation, only during the period in the cycle of weaving in which th-e set of single weave unit cards 14 is trained over the cylinder 9 and during the number of weave unit cycles necessary to weave an intermediate body portion of determinate length and formed of successive repetitions of a single weave unit. At the end of this weave, the arm is automatically moved to position andii'iaintain a pawl for continuous axial rotation of the cylinder in the one direction only to cause the cylinder to draw thei'eover and present successively to the needle board the successive individual pick cards of the end border pattern series following thereafter; also to so position the arm for the continuous passage over the card cylinder of the successive cards of the end border unit preceding the single weave unit set of cards.

rl`he shaft 40 mounting the gear 4l and cam 42 is provided, outwardly of the toothed gear 4l, with a sprocket gear 54 over which is trained the lower end of an endless sprocket chaii 55, as best seen in Figure l. The rock shaft is support-cd upon the opposite bifurcated standards 5 of the upper loom frame to position one end substantially above the sprocket gear 4l. This end of the shaft is extended outwardly from its bearing 5l as shown most clearly in Figures l, 6 and 7. A bracket arm 56, secured at its inner end to the standard 5 below the bearing bracket 5l, extends outwardly from said standard in parallel with the extended end of shaft 50 and is provided at its outer end with an upward offset 57 having a laterally extended upper end 58 to which is rigidly fixed and from which upstands a bracket arm 59 having a bearing 60 at its upper end through which the outer end of the rock shaft 50 extends and in which it is journaled. A supporting arm 6l is affixed at its lower end to the lower end of the bracket 59 and extends diagonally upwardly therefrom to position its upper end above and, as shown in Figure l, rearwardly of the rock shaft 50. The upper end'of this arm 61 is formed with a bore therein which receives the outer end of a fixed spindle or rod 62 extending in parallel with the rock shaft and having its inner end seating in a bore formed in the standard 5 rearwardly of the bracket 51 as is shown in Figures 6 and 7.

As shown in Figures 6 and 7, a sleeve 63 is loosely journaled onthe extended end of therock shaft outwardly of the standard 5 and mounts thereon a. sprocket gear 64 alining with the sprocket gear 54 on shaft 40, the upper end of the endless sprocket chain being trained over the upper sprocket gear 64, to eect rotation of said gear and its sleeve 63. rlhe sprocket gears 54 and 64 in the specifically illustrative embodiment are designed to have a ratio of 2 to 1 providing a revolution of the sprocket gear 64 to every 12 picks, representing the passage of 12 cards over the card cylinder. Obviously, this ratio may be varied since, as will be later seen, it will be merely necessary to -ebtain a determinate number of picks per revolution of the sleeve'63 to determine the length of the primary pattern controlling chain. The sleeve 63 also carries adjacent the sprocket 64 a double toothed sprocket 65 whichV may have six teeth,representing each a movement ccrresponding to two picks of the loom. Over this double sprocket istrained the primary timing chain 66 of the pattern control having cross bars or rungs 67 spaced to vfit successive teeth of the sprocket 65, each pair of chain links having their ends connected by adjacent cross bars or rungs 67 representing, there fore, two picks. rlhe chain'66 may for purposes of illustration have 15 links representing 30 picks of the loom to its passage over the sprocket 65. Y

Outwardly of the sprocket gear 65 a pair of spacer sleev-es 68 are mounted on the shaft 50 serving to space from sleeve 63 a second and outer sleeve 69 which is loosely journaled on the outer end of the shaft 50. rlhis sleeve at its respective inner and outer ends is provided with a toothed ratchet 70 and a detent wheel 71 with the notches of which a suitable spring pressed detent 72 cooperates. 'Intermediate its ends, the sleeve 69 is provided with a double toothed sprockety gear 7 3 over which is trained the upper end of a ladder type pattern chain 74 which may be termed a multiplier chain and which similarly to the double sprocket gear-65 may have a similar number of teeth, between which the cross bars or rungs 75 of the multiplier ladder chain seat, similarly tothe primary chain 66.

Motion, representing a 1/6 revolution or one tooth movement is imparted to the multiplier chain sprocket gear 73 from the primary pattern chainl 67 for every complete passage of said chain, representing 30 picks, over its sprocket gear 65. To this end, one of the cross rungs 67 of the primary pattern chain is provided with a bead or roll 76 extending outwardly from the cross bar and above Vthe side links of the chain to function as a lifting Y surface. Cooperating with this 'roll is an arm 77 having a bearing 7 8 at its rear end i end of the arm 77 has fixed to its lower end a pawl 8O formcdto engage beneath one'of theratchet teeth of the ratchet 70 of sleeve 69.

nthe arm 77 is normallypressed downwardly to ove'rlie the cross bars 67 of the primary chain for lifting engagement by'its bead 76 by means of a coil spring 81 anchored to the arm 77 and to the underlying bracket arm 56. A tensioned spring 7 9a (Fig. 7) interposed between the arm 77 and the link 79 acts normally to maintain the end of the pawl pressed against the under side of the ratchet wheel 70. The oflsetof the lifting roll or bead 76 will be figured to give the arm 77 and the pawl 8O a determinate throw which, for example, may be suflicient to rotate the `sleeve 69 with its sprocket gear .73 through a 1/6 revolution moving the pattern chain 74 thereover to the extent of one link.

The chain 7 4 has the function of controlling' the operation of cam 42 and of the pawls 34, 36 and is coordinated to the chain of pattern Ycards 14. "With each link of the pattern chain 74 representing, for example, 30 picks of the loom, one linkmay controlthe position of the pawls during 30 picks of the loom. lt will be seen by referring to Figs. 1, 3 and 6, that pattern chain 74 mounts two-spaced series of lifting lingers orlugs 82 upon a series of successive cross bars Orrungs 75 of the pattern chain. These spaced series of lugs will present continuous lifting surfaces representing the number of picks in opposite end border patterns with the long series of plain cross bars 7 5a (Fig. l), intervening between the very substantially spaced ends of the twov series 82 representing the picks for an interf mediate body weave portion in which asingle weave umtis repeated.- rlhe short series of Aplain cross links, as 756 between the closely adjacent ends of the series of lugs 82, will represent, for example, end selvage strips separating successively woven Vcomplete pattern units and providing hems and a cut line therebetween as is customary in the weaving of towels. rlhe lugs 82 are intended tooperate certain connections .to disconnect the pawl actuating arm 45 from control of the cam 42 and coincidently to control and maintain a pawl, as for example, the pawl, 34,35 vfor cooperation with the ratchetlO of the Card cylinder to provide a continuous step by step rotatory movement of the card cylinder in'one direction only-i e., clockwise, during the period each series of successive lugs 82 are passing over a certain portion ofthe sprocket gear 7 3.

Control of the cam lf2 and pawls 34, 36 through the pattern chain 74 is secured through 'tl-shaped bracket member 83 and journaled at its rear ends upon the rod 62 and having one side arm overlying the cross bars or rnngs 75 of the pattern chain and flattened as at Sil, TEigures 6 and 7, tor engagement of its under side with the cross `bars 75 or with the lugs 82 as tl ey pass thereunder, in the movement of the chain upwardly over the sprocket gear T3. From the outer `end ot' the U-sha-ped bracket 83 a rod 85 extends downu-'ardly and is anchored to the outwardly otl'set end ot a pin 8G lixedly secured to and outstanding from the upright end oi an L-shaped pivoted arm 8G pivoted at its opposite ent as at Si", 3, on the trame adjacent 'the shaft 40 and cam 42. The upper end 88 of this l.-shaped arm underlies the pawl actuating arm l5 adjacent its outer swinging end. rlhe weight oi' the hinged U-shaped bracket S3 is normally sut- `licient to hold it down to engage its flat portion Sil with the cross bar Pl of the pattern chain. 7h/cn there are no lugs present that portion of the chain passing over the .top ot the sprocket gear 73 and underlying the flat portion Slt, the bracket and wire 85 will he lowered to swing the arm downwardly to the dotted line position shov-n iu Figure 3 in which position .the cam '-l-f?. is per mitted to raise and lower the pawl ac-tue ting t 'odic arm 45 in al'ernation, causing the p r1 reversal or rota y movement of the card inder as heretofore described. lVher., in the .travel of the pattern chain over the top oi" the sprocket gea 78, the initial one of a succession of lugs 82 passes under the fiat bar portion of the swinging bracket 8f3, the lzvitter Vwill be lifted, pulling upwardly on the wire and moving the end 8S oit the disengaging arm upwardly to litt the arm 45 to a point rereseuting its maxiniuun litt ed position through the cam 42 land to maintain the arm l5 lifted during the protravel ot the entire series o'j lugs 82 beneath the abutment portion 8 it et the bracket. Tais upwardly moved position of the arm will move and maintain the pa vl arm andpawl in the position ot' Figure/i so that a continuous step by step rotatory movement in a forward or clockwise direction only will be imparted to the card cylinder during the entire period that the series et lugs is n'iaiutainin the swinging bracket S3 in upraiscd position, this period representing the Weaving of an entire end body pattern portion during which the eutire series of successive individual pick end border pattern cards 14 are successively d awn over the card cylinder 9 and presented successively to the needle board. Since thepatern chain is driven through the lay vcam shaft l@ and intermediate gearing has a definite ratio thereto, the pattern chain 7 t lmeans result in the saving of has determinate pick value (or number ot picks, ot the loom which each link represents) and determinate control of the woven pattern can be secured therethr ugh. Ordinarily in continuous weaving in Jacquard looms, an end sewage space is woven between the abutting end patterns ot successive woven units iroviding a line ot cut and separation therebetween. ln this event, the chain of cards lll will include two complete series' of end border pattern cards with the single weave unit set ot the intermediate body pattern units interposed therebetween, the other ends of the series ot opposite end border pattern cards having in this case interposed therebetween the number of pattern cards requisite to the weaving or' this end selvage strip. The pattern chain 74 unde; such conditions would have one or more cross bars (75o) without lugs 82 between adjacent ends ot the series oi border controlling lues with the opposite ends ot' these series of lugs spaced between the long length ot pattern chain with plain cross bars T5@ representing the extent or number of picks ot the intermediate body pattern portion.

bviously, the pattern chain is initially iositioned cn the sprocket gea-r 73 to cor'linate its active link, or that engaging the iti ilar pattern card or series of pattern cards rained over the card cylinder' 9 so that the irovemcnt of.' these cards over the cylinder l the movement of the pattern chain is and the pick value ot the pattern chain corresponding. utilizin'-r a multiplier chain as a pattern Achain the length of the chain is very substantially reduced. rlhe uniform pick value or each link may, of course, be 'icreased or decreased by variance ot the gear ratio transmitting motion to the primary chain G7 and by increasing the length ot' the primary chain.

From the foreo'oing, it will be evident that l have provided mechanism enabling the repcatcd use ot a single weave unit eries of cards to weave into the fabric pattern a consecutive series of weave units for a body pattern composed of a succession of similar weave units and have also provided mecha- `nism giving positive ano automatic control oit the weaving operation and of continuity of card cylinder reversal. Not onlydo these a relatively large, and as compared with previous praetice, enormous, number or" pattern cards but accomplishes this result without sacrifice ot absolute control of weaving and is ileiible and adaptable to weave uni ts ot varyingD n uinbers of picks and to varying patterns of weave. lVhile the described spe ic torni of the invention represents a preferred embodiment thereo, which in practice has proven entirely satisfactory, the illustrated form is portion 8a ott the bracket 83 with the par- I coordinated, the unit length ot the card chain .had

Y ject to intended as descriptive ot the invention rather than restrictive thereof and is submodiiication ,and variation in adapting the invent-ion to different conditions ot' manufacture and use.

l'What l claim. therefore, and desire to secure by Letters latent is:

l. ln a Jacquard loom, a needle board, a

continuous chainct pattern cards comprising complete ,fc-ri s ot opposite end border pattern cards and an iniierifiiosed single iveave unit set of intermed te bod V)attr-:rn cards, a card cyl'- inder over which ,i chain ot cards trained anc .vhic 's movable toward and from the needle board and if; rotatable step bv'step to present successive cards to said needle board, means for reciprocating said cylinder toward and from the needle board, means vselectively positioned to engage and impart step by step rotatory movement to said cylinder in reverse directions during the reciprocations thereoi'.. and controlling mechanism there'lor, controlling; pattern mechanism coordinated with said card chain and including a sprocket gear driven in timed relation to the loom lay, a chain trained thereover and movable thereby, a second and independently rotatable sprocket `gear and a multiplier pattern chai. trained tliereover, meanstor imparting step by step novement Vof the second sprocket gear and its multiplier chain in determinate ratio to the movement of the primary chain and mea-ns carried by said multiplier pattern chain and positioned thereon in coordination With said card chain and operative atcoordinatedpoints in the vveavine' cycle, for positioning said cylinder rotating' means to etl'ect continuous step by step rotation of the cylin-` der in one direc 'ion to draw a series or". end border pattern cards tliereover andpresent successive cards ot said series to the Vneedle rd in continuity to the extent oi' said series of border cards and until il single Weave unit set of cards passes to said cylinder, for .then automatically positioningI said cylinder rotating means to effect step by ste, rot-atory movement or" the cylinder in alternately reverse directions successively to vpresent to the needle board, by reversal, successive cards of Ythe body Weave unit set the duration ot the full intermediate body pattern Weave, and at the end of' said body Weave, and operative automatically to position said c linder rotatino' means to resume' continued'step by step rotation of the 'cylinder in the first named dire on to" dravvthe cards of the next succeeding border pattern series thereover for successive presentation ot the needle board. v

2L ln Jacquard loom embodying a needle board, a' continuous chain ot pattern cards comprising complete series or" end border patcards and an interposed ot single Weave unit intermediate body pattern cards,

in repetition tor and 'a card cylinder over which said card chain'is trained andivhich is mounted for bodily reciprocating movement toward and Jfrom the needle board and for rotatory movement about its airis to draw successive cards 'of said chain of rcards thereover for successive presentation to the needle board, a

vtern'ately to move said paWls to cooperate with the cylinder ratchet and reverse the direction oty rotation imparted to the cylinder in successive cycles representing single Weave units ot said intermediate body pattern, and a controlling pattern mechanism foordinited with said card chain and including' a sprocket gear driven in timed relation and determinate ratio to the loom lay, a pat- Jern chain trained thereover and moved thereby, ind means carried by said chain operative at'the termination of saidbody Weave tc position said pavvls to zgive continued step by step rotatory movement tothe cylinder in the one direction only to passsuccessive cards ot an end border series of cards thereover in continuity for the duration of the complete end border pattern Weave and to the extent of said series of cards. Y

/ 3. ln a Jacquard loom embodying a needle board, a continuous chain 'of pattern cards comprising' complete series ot' end border pattern cards and an interposed set of single Weave unit intermediate body pattern cards, and a card cylinder over whichA said card chain is trained and whichr is mounted tor bodily reciprocatingw movement toward and from the needle board and for rotatoryv es cro otated inA timed relation to the lay operativey connected With said paivls and constructed lternately to move said pavvls to coperate successively with the cylinder ratchet to iinpart t o the cylinder step by step rotation in' reverse directions and in successive cycles representingsingle Weave umts of saidininuouslv reciprocating said cylinder, a cam 'Lio termediate body pattern, a controlling pattern mechanism coordinated with said card chain and including a sprocket gear driven in timed relation to the loom lay, a chain tr ined thereover and moved thereby, a second and independently rotatable sprocket gear and a multiplier pattern chain trained thereover, means for imparting step by step movement of the second sprocket gear and its multiplier chain in determinate ratio to the movement of the primary chain and means carried by said multiplier pattern chain and operative to permit operation of said cam to cause alternate reversal ot rotation of the cylinder With the single Weave unit set of cards thereon in continuity for the duration of the entire intermediate body Weave and vto inoperatively condition the cam for alterate reversal at the end of said body Weave and to position said paWls for continued step by step rotatory movement ot the cylinder in one direction only With an end border pattern series of cards passing continuously thereover for the duration of the complete end body pattern Weave and to the extent ot the series ot end body pattern cards.

4. In a Jacquard loom, a needle board, a card cylinder bodily reciprocable toward and from the board and axially rotatable to dravs7 thereover and present successive cards of said chain t-o said board, a chain of cards trained over `said cylinder including a single set of cards representing a single Weave unit continuously and determinately repeated in the pattern to be Woven, a ratchet Carried by said cylinder, a pair of opposed paWls movable alternately to cooperate with said ratchet during reciprocation of the cylinder to etl'ect step by step axial rotation of the cylinder in reverse directions, a cam rotating` in timed relation to the loom lay. actuatingconnections from said cam to said pawls, said cam being formed and normally operating alternately to move said pawls to positions to eli'ect reversal of the direction of cylinder rotation at step by step intervals corresponding to the number of cards forming said single Weave unit set, disconnecting means operable to move and hold said actuating connections from normal cooperative relation to said cam and coincidently to position and hold one of said pavvls to etl'ect continued rotatory movement of the cylinder in one certain direction, and a controlling pattern mechanism coordinated With said card chain and including a sprocket gear driven in timed relation and determinate ratio to the loom lay, a pattern chain trained thereover and m-oved thereby, and means carried by said chain positioned thereon in coordination with said card chain and operative at coordinated points in the Weaving cycle to actuate said cam disconnecting means to discontinue reversal of cylinder rotation through said cam and to position and maintain one of said paWlsinposition for repeated step by step rotation of the cylinder in one direction.

5. ln a Jacquard loom, a needle board, a card cylinder bodily reciprocable toward and from the board and axially rotatable to draw thereover and present successive cards of said chain to said board, a chain of cards trained over said cylinder' including a single set of cards representing a single Weave unit continuously and determinately repeated in the pattern to be Woven, a ratchet carried by said cylinder, a pair of opposed paivls movable alternately to cooperate With said ratchet during reciproca-tion of the cylinder to effect step by step axial rotation of the cylinder in reverse directions, a cam rotating'in timed relation to the loom lay, actuating connections from said cam to said paWls, said cam being formed and normally operating alternately to move said pawls to positions to effect reversal of the direction of cylinder rotation at step by step intervals corresponding to thenumber of cards forming said single Weave unit set, disconnecting means operable to move and hold said actuating connections from normal cooperative relation to said cam and eoincidently to position and hold one of said pawls to effect continued rotatory movement of the cylinder in one certain direction, and a controlling pattern mechanism coordinated with said card chain and including a sprocket gear driven in timed relation to the loom lay, a chain trained thereover and moved thereby, a second and independently rotatable sprocket gear and a multiplier pattern chain trained tliereovcr, means for imparting step by step movement of the second sprocket gear and its multiplier chain in determinate ratio to the movement of the primary chain, and means carried by said multiplier pattern chain and positioned thereon in coordination With said card chain and operative at coordinated points in the Weaving cycle to actuate said disconnecting means to discontinue reversal of cylinder rotation through said cam and to position and maintain one of said pawls in position for repeated step by step rotation of the cylinder in one certain direction.

G. In a Jacquard loom, a needle board, a card cylinderbodily reciprocable toward and from the board `and axially rotatable to draw thereover and present successive cards of said chain to said board, a chain of cards trained over said cylinder including a single set of cards representing a single Weave unit continuously and determinately repeated in the pattern to be Woven, a ratchet carried by said cylinder, a pair of opposed paWls movable alternately to cooperate With said ratchet during reciprocation of the cylinder to effect step by step axial rotation of the cylinder in reverse directions, a cam rotating in timed relation to the loom lay, actuating connections from said cam to said pawls, said cam being formed and normally operating alternately to move said paWls to positions to eifect reversal of the direction of cylinder rotation at step by step intervals corresponding to the number of cards forming said single Weave unit set and disconnecting i means operable to move and hold said actuating connections from normal cooperative relation to said cam and coincidently to position and hold one of said pavvls to effect continued rotatory movementJ of the cylinder in one certain direction. i

7 The combination With a Jacquard loom employing a card cylinder, a card chain trained thereover, a pair of pavvls alternately operable to rotate said cylinder in reverse directions andan operating mechanism for said pawls; of means for disconnecting said pavvls from their operating means, a controlling pattern mechanism coordinated with said card chain and including a sprocket gear driven in timed'relation to the loom lay, a chain trained thereover and moved thereby, a second and independently rotatable sprocket gear and a multiplier pattern chain trained thereover, means for imparting. step by step movement of the second sprocket gear and its multiplier chain in determinate ratio to the movement of the primary chain, and means carried by ysaid multiplier pattern chain and positioned thereon in coordination With said card chain and operative yat coordinated points in the Weaving cycle to actuate said disconnecting means and to position and maintain one of said pawls in position for repeated step by step rotation of the cylinder in one certain direction. l ERNEST HALL. 

